public static List <NetworkInterfaceInfo> GetLocalNetworkInterfaces(
SubnetClass subnetClasses = SubnetClass.C,
bool flushCache = false)
{
if (flushCache)
{
localNetworkInterfaces = null;
}
if (localNetworkInterfaces != null)
{
return(localNetworkInterfaces);
}
List <NetworkInterfaceInfo> workingInterfaces = new List <NetworkInterfaceInfo>();
NetworkInterface[] networkInterfaces = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface networkInterface in networkInterfaces)
{
if ((networkInterface.NetworkInterfaceType == NetworkInterfaceType.Loopback) ||
(networkInterface.NetworkInterfaceType == NetworkInterfaceType.Tunnel) ||
(networkInterface.OperationalStatus != OperationalStatus.Up))
{
continue;
}
IPInterfaceProperties ipProperties = networkInterface.GetIPProperties();
foreach (UnicastIPAddressInformation ipInformation in ipProperties.UnicastAddresses)
{
IPAddress ipv4Mask = null;
if (OSVersionPlatform.GetGenericPlatform() == PlatformID.Unix)
{
//Mono does not implement IPv4Mask
//see https://bugzilla.xamarin.com/show_bug.cgi?id=2033
string mask = IPInfoTools.GetIPv4Mask(networkInterface.Name);
if (mask == null || IPAddress.TryParse(mask, out ipv4Mask) == false)
{
ipv4Mask = IPAddress.Parse("255.255.255.0"); // default to this
}
}
else
{
ipv4Mask = ipInformation.IPv4Mask;
}
SubnetClass interfaceClass = ipv4Mask.GetSubnetClass();
//optionally scan class A & B subnets
if (!((subnetClasses & interfaceClass) == interfaceClass))
{
continue;
}
IPAddress ipAddress = ipInformation.Address;
if (ipAddress.AddressFamily == AddressFamily.InterNetwork)
{
NetworkInterfaceInfo interfaceInfo = new NetworkInterfaceInfo();
interfaceInfo.Host = ipAddress;
interfaceInfo.Netmask = ipv4Mask;
interfaceInfo.Broadcast = GetBroadcastAddress(interfaceInfo.Host, interfaceInfo.Netmask);
//deprecations are known - we only support IPv4 scanning with this code
//see above check for AddressFamily.InterNetwork
long host = (long)(uint)IPAddress.NetworkToHostOrder((int)interfaceInfo.Host.Address);
long netmask = (long)(uint)IPAddress.NetworkToHostOrder((int)interfaceInfo.Netmask.Address);
long broadcast = (long)(uint)IPAddress.NetworkToHostOrder((int)interfaceInfo.Broadcast.Address);
long network = host & netmask;
long rangeStart = network + 1;
long rangeEnd = broadcast - 1;
//e.g. if host == broadcast, netmask == 255.255.255.255
if (rangeEnd < rangeStart)
{
long swap = rangeEnd;
rangeEnd = rangeStart;
rangeStart = swap;
}
interfaceInfo.RangeStart = new IPAddress((long)(uint)IPAddress.HostToNetworkOrder((int)rangeStart));
interfaceInfo.RangeEnd = new IPAddress((long)(uint)IPAddress.HostToNetworkOrder((int)rangeEnd));
workingInterfaces.Add(interfaceInfo);
}
}
}
//cache the results
localNetworkInterfaces = workingInterfaces;
return(localNetworkInterfaces);
}
private void button1_Click(object sender, EventArgs e)
{
if (lbMessage.Text == string.Empty && tbSubnetName.Text == string.Empty)
{
lbMessage.Text = "Mời bạn nhập SubnetName";
gbSubnetName.BackColor = Color.Coral;
Handle_Empty_subnetName = false;
return;
}
Handle_allowCalculate = false;
string strNeededHost = "";
if (tbNeededHost.Text == string.Empty)
{
strNeededHost = cbHostsPerSubnet.Text;
}
SubnetClass subnetItem = new SubnetClass(intSubnetOder.ToString(), tbIPAddress.Text, tbMaskNumber.Text, tbSubnetName.Text, tbNeededHost.Text, cbHostsPerSubnet.Text, tbSubnetID.Text, cbMaskBits.Text, cbSubnetMasks.Text, tbHostRange.Text, tbBroadCast.Text);
liSubnet.Add(subnetItem);
//liSubnet.Add(subnetItem);
//DataGridViewRow dtRow = new DataGridViewRow();
//dtRow.Cells[0].Value = tbIPAddress.Text;
//dtRow.Cells[1].Value = intSubnetOder.ToString();
//dtRow.Cells[2].Value = strNeededHost;
//dtRow.Cells[0].Value = cbHostsPerSubnet.Text;
//dtRow.Cells[0].Value = cbMaskBits.Text;
//dtRow.Cells[0].Value = tbSubnetName.Text;
//dtRow.Cells[0].Value = tbSubnetID.Text;
//dtRow.Cells[0].Value = cbSubnetMasks.Text;
//dtRow.Cells[0].Value = tbHostRange.Text;
//dtRow.Cells[0].Value = tbBroadCast.Text;
//table.Rows.Add(intSubnetOder.ToString(), tbIPAddress.Text, tbSubnetName.Text, tbNeededHost.Text, cbHostsPerSubnet.Text, tbSubnetID.Text, cbMaskBits.Text, cbSubnetMasks.Text, tbHostRange.Text, tbBroadCast.Text);
tbIPAddress.Text = IpAdressNext;
tbMaskNumber.Text = cbMaskBits.Text;
Handle_allowCalculate = true;
Package pg_send, pg_receive;
pg_receive = new Package();
pg_send = new Package(Package.PackageType.CTS_SubnetOne, tbIPAddress.Text, int.Parse(tbMaskNumber.Text), maxhost - int.Parse(cbHostsPerSubnet.Text) - 2);
pg_send.SerializeSurrealists(client, client.GetStream());
pg_receive = IpHelpers.getPackageDeserialized(client.GetStream());
BindingSubnetToTable();
if (pg_receive.IsEmptySubnet)
{
btnSubnet.Text = "Hết";
btnSubnet.Enabled = false;
return;
}
reset_Value(pg_receive);
//table.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.Fill);
table.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
table.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None;
intSubnetOder++;
tbIPAddress.Enabled = false;
tbMaskNumber.Enabled = false;
btnSubnet.Text = "Subnet " + (intSubnetOder + 1).ToString();
}
public static List<NetworkInterfaceInfo> GetLocalNetworkInterfaces(
SubnetClass subnetClasses = SubnetClass.C,
bool flushCache = false)
{
if (flushCache)
localNetworkInterfaces = null;
if (localNetworkInterfaces != null)
return localNetworkInterfaces;
List<NetworkInterfaceInfo> workingInterfaces = new List<NetworkInterfaceInfo>();
NetworkInterface[] networkInterfaces = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface networkInterface in networkInterfaces)
{
if ((networkInterface.NetworkInterfaceType == NetworkInterfaceType.Loopback) ||
(networkInterface.NetworkInterfaceType == NetworkInterfaceType.Tunnel) ||
(networkInterface.OperationalStatus != OperationalStatus.Up))
continue;
IPInterfaceProperties ipProperties = networkInterface.GetIPProperties();
foreach (UnicastIPAddressInformation ipInformation in ipProperties.UnicastAddresses)
{
IPAddress ipv4Mask = null;
if (OSVersionPlatform.GetGenericPlatform() == PlatformID.Unix)
{
//Mono does not implement IPv4Mask
//see https://bugzilla.xamarin.com/show_bug.cgi?id=2033
string mask = IPInfoTools.GetIPv4Mask(networkInterface.Name);
if (mask == null || IPAddress.TryParse(mask, out ipv4Mask) == false)
ipv4Mask = IPAddress.Parse("255.255.255.0"); // default to this
}
else
ipv4Mask = ipInformation.IPv4Mask;
SubnetClass interfaceClass = ipv4Mask.GetSubnetClass();
//optionally scan class A & B subnets
if (!((subnetClasses & interfaceClass) == interfaceClass))
continue;
IPAddress ipAddress = ipInformation.Address;
if (ipAddress.AddressFamily == AddressFamily.InterNetwork)
{
NetworkInterfaceInfo interfaceInfo = new NetworkInterfaceInfo();
interfaceInfo.Host = ipAddress;
interfaceInfo.Netmask = ipv4Mask;
interfaceInfo.Broadcast = GetBroadcastAddress(interfaceInfo.Host, interfaceInfo.Netmask);
//deprecations are known - we only support IPv4 scanning with this code
//see above check for AddressFamily.InterNetwork
long host = (long)(uint)IPAddress.NetworkToHostOrder((int)interfaceInfo.Host.Address);
long netmask = (long)(uint)IPAddress.NetworkToHostOrder((int)interfaceInfo.Netmask.Address);
long broadcast = (long)(uint)IPAddress.NetworkToHostOrder((int)interfaceInfo.Broadcast.Address);
long network = host & netmask;
long rangeStart = network + 1;
long rangeEnd = broadcast - 1;
//e.g. if host == broadcast, netmask == 255.255.255.255
if (rangeEnd < rangeStart)
{
long swap = rangeEnd;
rangeEnd = rangeStart;
rangeStart = swap;
}
interfaceInfo.RangeStart = new IPAddress((long)(uint)IPAddress.HostToNetworkOrder((int)rangeStart));
interfaceInfo.RangeEnd = new IPAddress((long)(uint)IPAddress.HostToNetworkOrder((int)rangeEnd));
workingInterfaces.Add(interfaceInfo);
}
}
}
//cache the results
localNetworkInterfaces = workingInterfaces;
return localNetworkInterfaces;
}
public UnRedo(Kind kindOfUnRedo, SubnetClass Subnet)
{
kind = kindOfUnRedo;
subnet = Subnet;
}
